56. Which gas is responsible for the “flaring” of natural gas, a process used to burn off excess gas during oil extraction?
a) Oxygen
b) Carbon dioxide
c) Methane
d) Nitrogen
57. What is the process of converting coal into a gaseous fuel called?
a) Coal gasification
b) Coal liquefaction
c) Coalification
d) Carbonization
58. Which country is the largest importer of liquefied natural gas (LNG) in the world?
a) Japan
b) South Korea
c) China
d) India
59. What is the term used to describe the total amount of oil or gas that can be recovered from a reservoir using existing technology, regardless of economic factors?
a) Reservoir capacity
b) Ultimate recovery
c) Resource potential
d) Reservoir size
60. Which gas is responsible for the formation of gas hydrates, a solid ice-like substance that can trap significant amounts of methane?
a) Oxygen
b) Carbon dioxide
c) Methane
d) Nitrogen